authorities say mack was caught taking bribes as part of an fbi sting. they were offering their condolences to the family of a motorcycle patrolman killed on sunday. the 55-year-old offer was sit by preparing to shot the high when he was hit. the white house says the president's thoughts and prayers with with that officers family. >>> doctors take a tulane university player who broke his spine during a head-to-head tackle on saturday is in stable condition today. but that is too early to tell if he's paralyzed or not. devin walker underwent three hours of surgery to stabilize his spine. he was hurt during saturday's home dame against tulsa. >>> a pollster for the romney camp referred to the president post-convention bounce. you heard peter alexander refer to it. they call it had it a sugar high and said, quote, don't get all worked up about the latest polling. you can tell from quotes who is ahead in the race. that's interesting. do you agree? it's our "news nation" gut check, and you can join the "news nation" on facebook. we're at facebook.com/newsnati